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| 5617526 | Oran et al. | Apr 1997 | |
| 5748927 | Stein et al. | May 1998 | |
| 5801698 | Lection et al. | Sep 1998 |
| Entry |
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| Michael R. Wilson et al., "A Fast and Intuitive Online Help System", Hewlett-Packard Journal, pp. 79-89, Apr. 1994. |